angiosperm/extensions/extb_canjoin.c
2021-09-22 15:28:36 +01:00

69 lines
1.7 KiB
C

/*
* Canjoin extban type: matches users who are or are not banned from a
* specified channel.
* -- nenolod/jilles
*/
#include "stdinc.h"
#include "modules.h"
#include "client.h"
#include "channel.h"
#include "hash.h"
#include "ircd.h"
static const char extb_desc[] = "Can join ($j) extban type - matches users who are or are not banned from a specified channel";
static int _modinit(void);
static void _moddeinit(void);
static int eb_canjoin(const char *data, struct Client *client_p, struct Channel *chptr, long mode_type);
DECLARE_MODULE_AV2(extb_canjoin, _modinit, _moddeinit, NULL, NULL, NULL, NULL, NULL, extb_desc);
static int
_modinit(void)
{
extban_table['j'] = eb_canjoin;
return 0;
}
static void
_moddeinit(void)
{
extban_table['j'] = NULL;
}
static int eb_canjoin(const char *data, struct Client *client_p,
struct Channel *chptr, long mode_type)
{
struct Channel *chptr2;
int ret;
static int recurse = 0;
(void)mode_type;
/* don't process a $j in a $j'ed list */
if (recurse)
return EXTBAN_INVALID;
if (data == NULL)
return EXTBAN_INVALID;
if (mode_type == CHFL_EXCEPTION)
return EXTBAN_INVALID;
chptr2 = find_channel(data);
/* must exist, and no point doing this with the same channel */
if (chptr2 == NULL || chptr2 == chptr)
return EXTBAN_INVALID;
/* require consistent target */
if (chptr->chname[0] == '#' && data[0] == '&')
return EXTBAN_INVALID;
/* this allows getting some information about ban exceptions
* but +s/+p doesn't seem the right criterion */
#if 0
/* privacy! don't allow +s/+p channels to influence another channel */
if (!PubChannel(chptr2))
return EXTBAN_INVALID;
#endif
recurse = 1;
ret = is_banned(chptr2, client_p, NULL, NULL, NULL) != 0 ? EXTBAN_MATCH : EXTBAN_NOMATCH;
recurse = 0;
return ret;
}